| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 26 |
0.7%
|
| 2 | Weekly | 47 |
1.2%
|
| 3 | Monthly | 62 |
1.6%
|
| 4 | Less than monthly | 120 |
3.1%
|
| 5 | Never | 3608 |
93.4%
|
| Sysmiss | 5937 |